Cryogenic pipeline configurations and methods

Details Cryogenic pipeline configurations and methods Cryogenic pipeline configurations and methods

F - Mech Eng,Light,Heat,Weapons

25

J

F25J 5/00 (2006.01)

Patent

CA 2560562

A pipe-in- pipe pipeline has a bulkhead that transfers thermal stress from an inner pipe to an outer pipe, wherein at least part of the bulkhead forms a conduit for a product traveling through the inner pipe. Most preferably, the pipeline is a cryogenic pipeline for transport of liquefied natural gas. Where desirable, insulating material may be disposed between the inner pipe and outer pipe, while spacers may maintain the distance between the pipes.

Cette invention concerne une conduite à tuyaux concentriques (pipe-in-pipe) dont la cloison transfert des contraintes thermiques d'un tuyau intérieur à un tuyau extérieur. Une partie au moins de la cloison forme un conduit pour un produit traversant le tuyau intérieur. Selon une solution de loin préféré, la conduite est une conduite cryogénique utilisée pour le transport de gaz naturel liquéfié. On peut, si on le souhaite, disposer un matériau cryogénique entre les tuyaux intérieur et extérieur, des entretoises maintenant un écartement entre les tuyaux.

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